#include <stdio.h>

#define MONTHS 12

int main(void)
{
    int days[MONTHS] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int index;
    for (index = 0; index < MONTHS; index++)
    {
        printf("Month %2d *(days + index) %d days[index] %d \n", index + 1, *(days + index),
               days[index]); //与 days[index]相同
    }
    return 0;
}
